L3Harris EA-37B Compass Call

what is it?

The EA-37B Compass Call (formerly EC-37B) is an electronic warfare aircraft based on the Gulfstream G550 entering service with the United States Air Force with the first example delivered on 23 August 2024 to Davis–Monthan Air Force Base for crew training. The plane is replacing the EC-130H Compass Call. The role of the Compass Call is to disrupt enemy command and control communications, radars, and navigation systems, significantly hindering adversary coordination as part of the Counter-Command, Control, Computers, Communications, Cyber, Intelligence, Surveillance, and Reconnaissance Targeting (Counter-C5ISRT) mission.

🔎How to recognise it: 2 jet engines · 28.5 m wingspan

base stats

• speed 1,234 km/htop speed
• range 8,167 kmwithout refuelling
• seats 7passengers
• size 44.5 tmax take-off weight
• built 10made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🏎️Top speed is 9.5× a car on the Dutch motorway (130 km/h).
• 🚗Wingspan of 28.5 m: about 6 cars parked nose to tail.
• 🐘Fully loaded it can weigh as much as 7 African elephants (~6 t each).
• 🌍Range of 8,167 km: Amsterdam to New York (≈5,850 km) without stopping.
• 🏔️Can fly 1.6× higher than Mount Everest (8,849 m).

jet: Gas turbine pushing air out the back (turbofan or turbojet): fast and high-flying.

spec sheet

first flight

—

introduced

2026

number built

10

role

electronic warfare aircraft

origin

🇺🇸 United States

makers

Gulfstream Aerospace, L3Harris Technologies, BAE Systems Inc.

engines

2× Rolls Royce BR700-710 C4-11 / Rolls-Royce BR700

passengers

7

length

29.4 m

wingspan

28.5 m

height

7.9 m

max take-off weight

44.5 t

top speed

1,234 km/h

range

8,167 km

ceiling

13,716 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.